Power shovel



FIG. 1 is a left side view of a power shovel showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side perspective view thereof; and,

FIG. 8 is a right side perspective view thereof.

The broken line portions in the figure drawing views is included to show unclaimed environmental structure only and forms no part of the claimed design. 

The ornamental design for a power shovel, as shown and described. 